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122117192 = 2339072
BaseRepresentation
bin1110100011101…
…01110001001000
322111210012021222
413101311301020
5222230222232
620041221212
73011656541
oct721656110
9274705258
10122117192
1162a284aa
1234a91808
131c3b87c2
141230b4c8
15aac2d12
hex7475c48

122117192 has 12 divisors (see below), whose sum is σ = 229028355. Its totient is φ = 61042968.

The previous prime is 122117159. The next prime is 122117209. The reversal of 122117192 is 291711221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 61058596 + 61058596 = 7814^2 + 7814^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=7814.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29303 + ... + 33209.

Almost surely, 2122117192 is an apocalyptic number.

It is an amenable number.

122117192 is a deficient number, since it is larger than the sum of its proper divisors (106911163).

122117192 is an frugal number, since it uses more digits than its factorization.

122117192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820 (or 3909 counting only the distinct ones).

The product of its digits is 504, while the sum is 26.

The square root of 122117192 is about 11050.6647763834. The cubic root of 122117192 is about 496.1263227504.

The spelling of 122117192 in words is "one hundred twenty-two million, one hundred seventeen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 3907 7814 15628 31256 15264649 30529298 61058596 122117192